User manual

15
The installed relay is potential-free. The connection ex-
ample shows the connection to mains voltage 230V/
AC. Observe the maximum contact resilience; see chap-
ter “Technical Data” and the operating instructions of
the device that is to be controlled via the room thermo-
stat, on how to set up the circuits.
1 = Normally open contact (NO)
2 = COM (Common)
3 = Normally closed contact (NC)
E.g. recircula-
tion pump
L 230 V/AC, 50-60 Hz
Example